* {
    box-sizing: border-box;
}

body {
    margin: 0 auto;
    font-family: Roboto Slab, serif;
}

.main-header {
    width: 100%;
    padding: 8px 90px;
    position: absolute;
    top: 33px;
    left: 0;
    font-size: 18px;
    background: #010101;
}

    .main-header > div {
        display: inline-block;
        vertical-align: middle;
    }

.main-header__brand {
    text-decoration: none;
    color: #FFFFFF;
    font-weight: bold;
    margin: 50px;
    font-size: 26px;
}

.main-nav {
    display: inline-block;
    text-align: right;
    vertical-align: middle;
    width: calc(100% - 200px);
}

.main-nav__items {
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav__item {
    display: inline-block;
    margin: 0 16px;
}

    .main-nav__item a {
        text-decoration: none;
        color: white;
        font-weight: bold;
    }

        .main-nav__item a:hover,
        .main-nav__item a:active {
            margin: 0 auto;
            background: #890A02;
            padding: 5px 15px;
            border-radius: 5px;
        }

.section-main__home {
    color: white;
    background: #890A02;
    text-align: center;
    padding: 150px;
}

h1 {
    font-size: 48px;
    margin-top: 230px;
}

.section-main__home > p {
    color: #D19292;
    padding: 10px 0 60px 0;
    margin-bottom: 40px;
}

.section-main__home > a {
    text-decoration: none;
    color: #890A02;
    background: #FFF;
    font-size: 18px;
    font-weight: bold;
    border-radius: 50px;
    padding: 5px 15px;
}

.skills {
    text-align: center;
    font-weight: bold;
    font-size: 36px;
    margin: 110px;
}

.section-main__skills {
    text-align: center;
}

.section-main__skill {
    display: inline-block;
    width: 30%;
    text-align: center;
    vertical-align: top;
    font-size: 18px;
}

.section-main__circle0 {
    margin: 0 auto;
    width: 50%;
    height: 250px;
    border-radius: 50%;
    background: #E44D26;
}

.section-main__circle1 {
    margin: 0 auto;
    width: 50%;
    height: 250px;
    border-radius: 50%;
    background: #F1BF26;
}

.section-main__circle2 {
    margin: 0 auto;
    width: 50%;
    height: 250px;
    border-radius: 50%;
    background: #379AD6;
}

.section-main__skill p {
    display: inline-block;
    width: 50%;
}

h3 {
    margin-top: 50px;
    margin-bottom: 0;
    font-size: 28px;
}

.section-main__rectangle {
    margin: 170px 0;
    width: 100%;
    height: 50px;
    background: #890A02;
}
.section-main__rectangle {
    margin: 160px 0;
    width: 100%;
    height: 50px;
    background: #890A02;
}
h2 {
    font-size: 36px;
    text-align: center;
}
.section-projects__contentcss {
    margin: 100px 50px;
    text-align: center;
}

.section-projects__imagecss {
    width: 35%;
    display: inline-block;
    vertical-align: middle;
    margin: 0 50px;
}

.imagecss {
    vertical-align: top;
    margin: 20px;
}

.section-projects__info {
    text-align: center;
    padding: 0;
    display: inline-block;
    vertical-align: middle;
    width: 33%;
}

.section-projects__url {
    background: #890A02;
    color: white;
    font-weight: bold;
    border-radius: 50px;
    padding: 7px 35px;
    font-size: 24px;
    text-decoration: none;
}

.text {
    margin: 0 0 40px 0;
    font-size: 24px;
    vertical-align: bottom;
}

.section-projects__contentcs50 {
    text-align: center;
    margin: 125px 50px 170px 50px;
}

.section-projects__imagecs50 {
    width: 35%;
    display: inline-block;
    vertical-align: middle;
    margin: 0 50px;
}

.imagecs50 {
    vertical-align: top;
    border: 7px solid black;
}

footer {
    background: #890A02;
}

.footer-items {
    background: #890A02;
    text-align: center;
    margin: 0 80px;
    padding: 30px;
    border-bottom: 2px solid #fff;
    font-weight: bold;
}

.footer-item {
    display: inline-block;
    color: white;
    padding: 0 20px;
    text-weight: bold;
}

footer h4 {
    text-align: center;
    color: #fff;
    background: #890A02;
    margin: 0 auto;
    padding: 10px 10px 5px 10px;
}